90mm (approx

but with slightly slimmer bottom

which ensure a rapid and precise alignment of the 11 contacts

-10AN Inlets / Standard Seat / EFI (25-90 PSID)

Shift Knob typeR 90mm (approxPick your preference of material, from lightweight duracon to weighted Stainless. Checkerd Knobs measure 1. 5" in diameter with Stainless and Duracon at a 3. 5" height and Aluminum at 3" height. Stainless Steel Weighing in at 20oz 567 Grams Machine Spun Finish Lightly polished Black Cerakote Stainless Coated in durable cerakote Aluminum Made out of billet aluminum Machine Spun Finish Lightly polished Weighing in at Half a pound, Black Anodized